diff --git a/imagelab_react/package.json b/imagelab_react/package.json
index e8a2d78..c0e5c9c 100644
--- a/imagelab_react/package.json
+++ b/imagelab_react/package.json
@@ -12,6 +12,7 @@
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
     "blockly": "^9.3.3",
+    "cross-env": "^7.0.3",
     "electron": "^25.0.1",
     "electron-is-dev": "^2.0.0",
     "jimp": "^0.22.8",
@@ -28,7 +29,7 @@
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject",
-    "dev": "concurrently -k \"BROWSER=none yarn start\" \"yarn:electron\"",
+    "dev": "concurrently -k \"cross-env BROWSER=none yarn start\" \"yarn:electron\"",
     "electron": "electron ."
   },
   "eslintConfig": {
diff --git a/imagelab_react/yarn.lock b/imagelab_react/yarn.lock
index c53486e..75a02b6 100644
--- a/imagelab_react/yarn.lock
+++ b/imagelab_react/yarn.lock
@@ -4015,7 +4015,14 @@ cosmiconfig@^7.0.0:
     path-type "^4.0.0"
     yaml "^1.10.0"
 
-cross-spawn@^7.0.2, cross-spawn@^7.0.3:
+cross-env@^7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"
+  integrity sha512-+/HKd6EgcQCJGh2PSjZuUitQBQynKor4wrFbRg4DtAgS1aWO+gU52xpH7M9ScGgXSYmAVS9bIJ8EzuaGw0oNAw==
+  dependencies:
+    cross-spawn "^7.0.1"
+
+cross-spawn@^7.0.1, cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
   integrity sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==